diff ./example.txt ./diff.txt

# 4d3
# < abc
# 12c11,12
# < bbc
# \ No newline at end of file
# ---
# > bbc1
# > ccc
# \ No newline at end of file


diff -y ./example.txt ./diff.txt
# abc                                                             abc
# bcd                                                             bcd
# cde                                                             cde
# abc                                                           <
# bcd                                                             bcd
# dfs                                                             dfs
# csd                                                             csd
# abb                                                             abb
# abc                                                             abc
# cdd                                                             cdd
# bcd                                                             bcd
# bbc                                                           \ bbc1
#                                                               > ccc
